Moving magnet indicating instruments with a plurality of damping

Details Moving magnet indicating instruments with a plurality of damping Moving magnet indicating instruments with a plurality of damping

1996-12-20

1998-12-29

O'Shea, Sandra L.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

With electromagnetic field

324125, 324114, 324143, G01R 120

Patent

active

058545522

ABSTRACT:
Moving magnet indicating instruments in which a damping fluid migration barrier projects from the inside of one wall of the bobbin coil and another damping fluid migration barrier projects from the face of the rotor which confronts that wall.

REFERENCES:
patent: 2323732 (1943-07-01), Smith
patent: 3494203 (1970-02-01), Efimenko et al.
patent: 3778711 (1973-12-01), Samuel
patent: 4402335 (1983-09-01), Kemmler
patent: 4492920 (1985-01-01), Reenstra
patent: 4724601 (1988-02-01), MacManus et al.
patent: 4906919 (1990-03-01), Sato et al.
patent: 5017862 (1991-05-01), Brooks
patent: 5038099 (1991-08-01), Markow et al.
patent: 5095266 (1992-03-01), Ohike et al.

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